Topic.java

/**
 * Copyright (c) Codice Foundation
 * <p>
 * This is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser
 * General Public License as published by the Free Software Foundation, either version 3 of the
 * License, or any later version.
 * <p>
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details. A copy of the GNU Lesser General Public License
 * is distributed along with this program and can be found at
 * <http://www.gnu.org/licenses/lgpl.html>.
 */
package ddf.catalog.data.types;

/**
 * <p>
 * <b> This code is experimental. While this interface is functional and tested, it may change or be
 * removed in a future version of the library. </b>
 * </p>
 */
public interface Topic {

    /**
     * {@link ddf.catalog.data.Attribute} name for accessing the topic category for the resource of this
     * {@link Metacard}.
     */
    String CATEGORY = "topic.category";

    /**
     * {@link ddf.catalog.data.Attribute} name for accessing the topic keywords of the resource of this
     * {@link Metacard}.
     */
    String KEYWORD = "topic.keyword";

    /**
     * {@link ddf.catalog.data.Attribute} name for accessing the topic vocabulary of the resource of this
     * {@link Metacard}.
     */
    String VOCABULARY = "topic.vocabulary";
}